Article
Geosciences, Multidisciplinary
Waqar Ali Zafar, Farhan Javed, Rizwan Ahmed, Muhsan Ehsan, Kamal Abdelrahman, Mohammed S. Fnais, Mansoor Aziz Qureshi
Summary: The Kalabagh strike-slip fault is part of the northwestern Himalayan foreland fold and thrust belt in Pakistan, characterized by right-lateral movement. Through the analysis of SAR interferometry data, it was found that the southern and northern segments of the fault exhibit aseismic creeping, while the central section does not. The presence of a thick salt layer over the decollement facilitates the creeping on this fault and also causes vertical deformations.
FRONTIERS IN EARTH SCIENCE
(2023)
Article
Geosciences, Multidisciplinary
S. Palomino-Angel, R. F. Vazquez, H. Hampel, J. A. Anaya, P. Mosquera, S. W. Lyon, F. Jaramillo
Summary: This study develops a novel approach using DInSAR to detect water level changes in small lakes, based on subsequential pixel-wise observations of the Sentinel-1B sensor. The study findings show that the DInSAR-derived water level changes are consistent with precipitation and capture the peak of the wet seasons. Furthermore, the accumulated water level changes can be explained by differences in lake area.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Environmental Sciences
Hande Mahide Yesilmaden, Cagri Alperen Inan, Bedri Kurtulus, Mustafa Can Canoglu, Ozgur Avsar, Moumtaz Razack
Summary: The study utilizes satellite imagery and SAR technology to analyze land subsidence in the Konya Plain in Turkey, showing that excessive groundwater extraction leads to significant subsidence rates, with a maximum value reaching 16 cm. The researchers used DInSAR technique and analyzed satellite images from three periods to provide accurate information on ground deformation.
ENVIRONMENTAL EARTH SCIENCES
(2021)
Article
Geochemistry & Geophysics
Antonio Pepe, Pietro Mastro, Cathleen E. Jones
Summary: This article introduces an innovative space-time adaptive multilooking technique for sequence of differential synthetic aperture radar interferograms, based on directional statistics theory. The approach proposes a new method for the selection of statistically homogenous pixels, exclusively analyzing the multitemporal sequence of full resolution DInSAR interferograms, and demonstrates its effectiveness and simplicity.
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
(2021)
Article
Environmental Sciences
Vassilis Sakkas
Summary: In this study, a combination of GNSS and InSAR data was used to model and characterize the source of the Mw6.9 earthquake that occurred north of Samos Island. Pre-seismic analysis showed an extensional regime in the NNE-SSW direction, while coseismic analysis revealed significant horizontal and vertical displacements in the epicentral region. The compiled interferometric maps indicated larger ground displacements in the western part of Samos, attenuating towards the eastern and southern parts.
Article
Environmental Sciences
Alexander Zakharov, Liudmila Zakharova
Summary: This manuscript presents the results of a study on how snow covers affect the interferometric measurements of industrial infrastructure stability in Norilsk, Russia. The study focused on the fuel tanks of the Norilsk thermal power plant, which experienced a major diesel fuel spill. By analyzing radar data, the study investigated the possible displacements of the tanks and the impact of permafrost thaw on the area. The study also proposed three models to explain the deviation in measurements caused by snowfall and suggested methods to minimize the influence of snow.
Article
Geochemistry & Geophysics
Feng Xiao, Andrea Monti Guarnieri, Zegang Ding, Marco Manzoni
Summary: The proposed improved split-spectrum method is used to address ionospheric phase errors in TOPSAR interferograms. By reducing the number of calculations while maintaining accuracy, the method has been verified with real Sentinel-1 TOPSAR data processing.
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
(2022)
Article
Geosciences, Multidisciplinary
Rahul Kumar Kaushal, Saptarshi Dey, Shantamoy Guha, Naveen Chauhan, Ajit Singh
Summary: The locking of the low-angle decollement in the Himalaya causes strain accumulation and slip deficit over time. Surface ruptures along the Himalayan Frontal Thrust (HFT) can occur when the frontal splay of the decollement is unlocked during high-magnitude earthquakes (Mw >= 6.5). Recent observations and chronological assessments reveal a maximum slip rate of 10.4 +/- 0.8-12.2 +/- 0.8 mm/a on the hanging wall of the HFT. The seismic quiescence of 600-700 years results in a slip deficit on the HFT, which could trigger a Mw >= 7.7 earthquake. These findings highlight the substantial seismic risk in the Nahan area.
Article
Environmental Sciences
Abraham Thomas
Summary: This study analyzes the surface deformation associated with the 5.2 magnitude Stilfontein earthquake of 3 April 2017 using Sentinel-1 data. Positive and negative deformation areas were identified, with high surface deformation areas matching the shapes and values of high value isoseismal contours. The results provide valuable information for identifying possible areas of major deformation in future earthquakes of similar magnitude and depth.
EGYPTIAN JOURNAL OF REMOTE SENSING AND SPACE SCIENCES
(2021)
Article
Geochemistry & Geophysics
Josaphat Tetuko Sri Sumantyo, Daniele Perissin, Joko Widodo, Heri Andreas, Ketut Wikantika, Mohammad Rohmaneo Darminto, Akbar Kurniawan, Mokhamad Nur Cahyadi, Teguh Hariyanto
Summary: This study proposes a method for observing long-term land surface deformation using synthetic aperture radar (SAR) phase information, and estimates the outflow volume of a hot mudflow using consecutive DInSAR and GPS data. The results match well with local reports, demonstrating the effectiveness of this method.
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
(2022)
Article
Geochemistry & Geophysics
Israporn Sethanant, Edwin Nissen, Lea Pousse-Beltran, Eric Bergman, Ian Pierce
Summary: The Mw 6.5 Monte Cristo Range earthquake that occurred on May 15, 2020 in Nevada, United States, is the largest instrumental event in the Mina deflection. It revealed the behavior of an earthquake on a structurally immature fault system. The earthquake ruptured two intersecting faults, resulting in a pronounced shallow slip deficit and sparking the importance of considering multi-and cross-fault rupture in seismic hazard assessments.
BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA
(2023)
Article
Engineering, Geological
Roberto Vassallo, Jacopo De Rosa, Caterina Di Maio, Diego Reale, Simona Verde, Gianfranco Fornaro
Summary: This paper presents the results of long-term monitoring of slow movements in two deep earthflows in the southern Apennines, highlighting the severe damage caused to buildings and infrastructure over the years, as well as addressing the challenges of monitoring the area using satellite data analysis.
ITALIAN GEOTECHNICAL JOURNAL-RIVISTA ITALIANA DI GEOTECNICA
(2021)
Article
Geography, Physical
Atanu Bhattacharya, Tobias Bolch, Kriti Mukherjee, Tino Pieczonka, Jan Kropacek, Manfred F. Buchroithner
JOURNAL OF GLACIOLOGY
(2016)
Review
Environmental Sciences
Atanu Bhattacharya, Kriti Mukherjee
GEOCARTO INTERNATIONAL
(2017)
Article
Geochemistry & Geophysics
Sohan Lal, A. Joshi, Sandeep, Monu Tomer, Parveen Kumar, Chun-Hsiang Kuo, Che-Min Lin, Kuo-Liang Wen, M. L. Sharma
Article
Environmental Sciences
Kriti Mukherjee, Atanu Bhattacharya, Tino Pieczonka, Susmita Ghosh, Tobias Bolch
Article
Geochemistry & Geophysics
Sohan Lal, A. Joshi, Sandeep, Monu Tomer, Parveen Kumar, Chun-Hsiang Kuo, Che-Min Lin, Kuo-Liang Wen, M. L. Sharma
Article
Multidisciplinary Sciences
Owen King, Atanu Bhattacharya, Rakesh Bhambri, Tobias Bolch
SCIENTIFIC REPORTS
(2019)
Article
Environmental Sciences
M. Kneib, E. S. Miles, S. Jola, P. Buri, S. Herreid, A. Bhattacharya, C. S. Watson, T. Bolch, D. Quincey, F. Pellicciotti
Summary: Ice cliffs are crucial for the mass balance of debris-covered glaciers, but assessing their importance is hindered by the lack of large-scale datasets. New semi-automated methods utilizing multispectral imaging have been developed to map ice cliffs from glacier to regional scales, showing promising results for application in diverse geographical and seasonal conditions.
REMOTE SENSING OF ENVIRONMENT
(2021)
Article
Environmental Sciences
Owen King, Atanu Bhattacharya, Tobias Bolch
Summary: This study examined glacier surging at the Geladandong ice caps on the Tibetan Plateau and identified 19 surge-type outlet glaciers. It was found that the mass budgets of surge-type glaciers vary depending on the portion of the surge-cycle captured by geodetic data. The results highlight the importance of accurate surge-type glacier inventories and the need for maximizing geodetic data coverage over glacierised regions containing surge-type glaciers.
ADVANCES IN CLIMATE CHANGE RESEARCH
(2021)
Article
Multidisciplinary Sciences
Atanu Bhattacharya, Tobias Bolch, Kriti Mukherjee, Owen King, Brian Menounos, Vassiliy Kapitsa, Niklas Neckel, Wei Yang, Tandong Yao
Summary: The study highlights the increasing glacier mass loss rates in High Mountain Asia since the 1960s, with the highest rates observed in Central Himalaya and Northern Tien Shan regions. Summer temperature increase is identified as the main driver of long-term mass loss trend, even in regions where glaciers were previously in balance with climate. Multi-platform satellite observations over six decades reveal widespread glacier mass loss across High Mountain Asia, reflecting regional climatic differences.
NATURE COMMUNICATIONS
(2021)
Article
Geography, Physical
Atanu Bhattacharya, Kriti Mukherjee, Owen King, Shubhendu Karmakar, S. N. Remya, Anil Kulkarni, Jan Kropacek, Tobias Bolch
Summary: Glaciers are rapidly shrinking globally, posing a threat to the sustainability of meltwater and altering regional hydrology. This study estimates the multi-temporal mass balance of glaciers in the upper Alaknanda basin and neighboring transboundary glaciers, and identifies the influence of climatic and non-climatic factors on ice loss. The findings highlight the significant impact of summer temperature on glacier mass budget and suggest that smaller glaciers may disappear in the coming decades if current climate trends continue.
GLOBAL AND PLANETARY CHANGE
(2023)
Article
Geochemistry & Geophysics
Sajid Ghuffar, Tobias Bolch, Ewelina Rupnik, Atanu Bhattacharya
Summary: This article introduces the Corona Stereo Pipeline (CoSP) for processing Corona KH-4 stereo panoramic imagery. The pipeline utilizes the SuperGlue feature matcher to automatically match feature points, generates ground control points (GCPs), and employs a modified collinearity equations camera model to model the imaging geometry. The study demonstrates that using CoSP with well-distributed GCPs and preprocessing for film bending can result in accurate 3D reconstruction. Furthermore, the Corona DEM computed with CoSP showed promising results for computing long-term glacier elevation changes over large areas.
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
(2022)
Article
Green & Sustainable Science & Technology
Owen King, Atanu Bhattacharya, Sajid Ghuffar, Alex Tait, Sam Guilford, Aurora C. Elmore, Tobias Bolch
Article
Geosciences, Multidisciplinary
Ritu Raj Nath, Gautam Kumar, M. L. Sharma, S. C. Gupta
GEOSCIENCE LETTERS
(2018)
Proceedings Paper
Engineering, Electrical & Electronic
Manoj Kuri, Manoj K. Arora, Atanu Bhattacharya, M. L. Sharma
2017 FOURTH INTERNATIONAL CONFERENCE ON IMAGE INFORMATION PROCESSING (ICIIP)
(2017)
Article
Geochemistry & Geophysics
Chhavi Chaudhary, Mukat Lal Sharma
PURE AND APPLIED GEOPHYSICS
(2017)